JP6804923B2 - 表示装置 - Google Patents
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- JP6804923B2 JP6804923B2 JP2016203583A JP2016203583A JP6804923B2 JP 6804923 B2 JP6804923 B2 JP 6804923B2 JP 2016203583 A JP2016203583 A JP 2016203583A JP 2016203583 A JP2016203583 A JP 2016203583A JP 6804923 B2 JP6804923 B2 JP 6804923B2
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- 230000001681 protective effect Effects 0.000 claims description 133
- 239000010408 film Substances 0.000 description 218
- 239000010410 layer Substances 0.000 description 58
- 239000000758 substrate Substances 0.000 description 28
- 239000011229 interlayer Substances 0.000 description 23
- 239000011347 resin Substances 0.000 description 15
- 229920005989 resin Polymers 0.000 description 15
- 239000004065 semiconductor Substances 0.000 description 14
- 229910052751 metal Inorganic materials 0.000 description 11
- 239000002184 metal Substances 0.000 description 11
- 238000002161 passivation Methods 0.000 description 11
- 229910045601 alloy Inorganic materials 0.000 description 10
- 239000000956 alloy Substances 0.000 description 10
- 239000000463 material Substances 0.000 description 10
- 238000005452 bending Methods 0.000 description 7
- 239000004642 Polyimide Substances 0.000 description 6
- 239000011521 glass Substances 0.000 description 6
- 229920001721 polyimide Polymers 0.000 description 6
- 239000004973 liquid crystal related substance Substances 0.000 description 5
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 238000010030 laminating Methods 0.000 description 4
- 238000000206 photolithography Methods 0.000 description 4
- 239000010409 thin film Substances 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 239000011241 protective layer Substances 0.000 description 3
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 229910010272 inorganic material Inorganic materials 0.000 description 2
- 239000011147 inorganic material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 239000011368 organic material Substances 0.000 description 2
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910004205 SiNX Inorganic materials 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229910021417 amorphous silicon Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000012447 hatching Effects 0.000 description 1
- 230000005525 hole transport Effects 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229920002120 photoresistant polymer Polymers 0.000 description 1
- 229920005575 poly(amic acid) Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 238000009751 slip forming Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- OWOMRZKBDFBMHP-UHFFFAOYSA-N zinc antimony(3+) oxygen(2-) Chemical compound [O--].[Zn++].[Sb+3] OWOMRZKBDFBMHP-UHFFFAOYSA-N 0.000 description 1
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- H10K59/121—Active-matrix OLED [AMOLED] displays characterised by the geometry or disposition of pixel elements
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Description
Claims (14)
- 複数の画素と、
前記複数の画素の各々に、下部電極と上部電極に挟持され、発光層を含む有機EL層が備えられた有機EL表示装置であって、
前記複数の前記画素の内の少なくとも一つの画素が備える、前記下部電極と前記発光層と前記上部電極とを覆って、第1無機保護膜が形成され、
前記第1無機保護膜は平面で視て円形または5角形以上の多角形であり、
前記第1無機保護膜は、前記複数の前記画素の一部である複数個の画素が備える前記下部電極、前記発光層、前記上部電極を覆っており、
前記複数個の画素が備える前記上部電極は、前記複数個の画素に跨って共通に形成され、且つ前記複数個の画素以外の画素が備える前記上部電極とは分離していることを特徴とする有機EL表示装置。 - 前記第1無機保護膜の上に有機保護膜が積層して形成され、
前記有機保護膜は平面で視て円形または5角形以上の多角形であることを特徴とする請求項1に記載の有機EL表示装置。 - 前記有機保護膜の厚さは10μm以上であることを特徴とする請求項2に記載の有機EL表示装置。
- 前記有機保護膜は、第2無機保護膜によって覆われており、
前記第2無機保護膜は平面で視て円形または5角形以上の多角形であることを特徴とする請求項2に記載の有機EL表示装置。 - 前記複数の前記画素は、第1の画素と第2の画素とを含み、
前記第1無機保護膜は、互いに離間した複数の第1無機保護膜からなり、
前記第1の画素を覆う前記第1無機保護膜と前記第2の画素を覆う前記第1無機保護膜とは、互いに離間すると共に隣接し、
前記第1の画素を覆う前記第1無機保護膜と前記第2の画素を覆う前記第1無機保護膜との間隔は2μm以上であることを特徴とする請求項1に記載の有機EL表示装置。 - 平面で視た前記第1無機保護膜の形状は円であることを特徴とする請求項1乃至5のいずれか1項に記載の有機EL表示装置。
- 前記複数の前記画素の各々は、前記下部電極と接続する第1のTFTと、前記第1のTFTと接続する第2のTFTを有し、前記第1のTFTは、前記第1無機保護膜に覆われていることを特徴とする請求項1乃至6のいずれか1項に記載の有機EL表示装置。
- 前記第2のTFTは、前記第1無機保護膜に覆われていることを特徴とする請求項7に記載の有機EL表示装置。
- 複数の画素と、
前記複数の画素の各々に、下部電極と上部電極に挟持され、発光層を含む有機EL層が備えられた有機EL表示装置であって、
前記複数の前記画素の内の少なくとも一つの画素が備える、前記下部電極と前記発光層と前記上部電極とを覆って、第1無機保護膜が形成され、
前記第1無機保護膜は平面で視て円形または5角形以上の多角形であり、
前記複数の前記画素の各々は、前記下部電極と接続する第1のTFTと、前記第1のTFTと接続する第2のTFTを有し、前記第1のTFTは、前記第1無機保護膜に覆われており、
前記第2のTFTは、前記第1無機保護膜に覆われていないことを特徴とする有機EL表示装置。 - 前記第1無機保護膜の上に有機保護膜が積層して形成され、
前記有機保護膜は平面で視て円形または5角形以上の多角形であることを特徴とする請求項9に記載の有機EL表示装置。 - 前記有機保護膜の厚さは10μm以上であることを特徴とする請求項10に記載の有機EL表示装置。
- 前記有機保護膜は、第2無機保護膜によって覆われており、
前記第2無機保護膜は平面で視て円形または5角形以上の多角形であることを特徴とする請求項10に記載の有機EL表示装置。 - 前記複数の前記画素は、第1の画素と第2の画素とを含み、
前記第1無機保護膜は、互いに離間した複数の第1無機保護膜からなり、
前記第1の画素を覆う前記第1無機保護膜と前記第2の画素を覆う前記第1無機保護膜とは、互いに離間すると共に隣接し、
前記第1の画素を覆う前記第1無機保護膜と前記第2の画素を覆う前記第1無機保護膜との間隔は2μm以上であることを特徴とする請求項9に記載の有機EL表示装置。 - 平面で視た前記第1無機保護膜の形状は円であることを特徴とする請求項9乃至13のいずれか1項に記載の有機EL表示装置。
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